ADS2009 error while using layout component in design

Simulation / Synthesis Messages

Warning detected by hpeesofsim during TRAN analysis `HB1'.
COMPONENT `Single_Trisect_lay2_1':
Simulator uses frequency lower than frequency range of Momentum model. The S-parameters are extrapolated.
Warning detected by hpeesofsim during TRAN analysis `HB1'.
COMPONENT `Single_Trisect_lay2_1':
The model for the Layout Component is reused from the ModelDatabase.
Error detected by hpeesofsim during TRAN analysis `HB1'.
COMPONENT `Single_Trisect_lay2_1':
Layout Component and Model have different number of ports.
Error detected by hpeesofsim during TRAN analysis 'HB1'.
Fatal error occurred while evaluating model `MomCmpt', instance `Single_Trisect_lay2_1'.

Status / Summary

hpeesofsim (*) 350.500 Feb 19 2009 (64-bit built: 02/19/09 21:50:43)
Copyright Agilent Technologies, 1989-2008.

\EMDS_schem_lay2>

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***** Abnormal Simulator Termination *****
******************************************
The simulator has unexpectedly terminated.

Model is being created from the layout, then what is the meaning of different number of ports? Anybody has seen this issue before and can suggest any solution?

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